IT1085194B - FAN WITH SOUND ABSORPTION MEANS - Google Patents

FAN WITH SOUND ABSORPTION MEANS

Info

Publication number
IT1085194B
IT1085194B IT2808477A IT2808477A IT1085194B IT 1085194 B IT1085194 B IT 1085194B IT 2808477 A IT2808477 A IT 2808477A IT 2808477 A IT2808477 A IT 2808477A IT 1085194 B IT1085194 B IT 1085194B
Authority
IT
Italy
Prior art keywords
fan
sound absorption
absorption means
sound
absorption
Prior art date
Application number
IT2808477A
Other languages
Italian (it)
Inventor
Tibor Szentmartony
Sandor Kiss
Zsolt Nagy
Original Assignee
Fuetoeber Epueletgep Termekek
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuetoeber Epueletgep Termekek filed Critical Fuetoeber Epueletgep Termekek
Application granted granted Critical
Publication of IT1085194B publication Critical patent/IT1085194B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F04D29/664—Sound attenuation by means of sound absorbing material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT2808477A 1976-10-21 1977-09-29 FAN WITH SOUND ABSORPTION MEANS IT1085194B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU76FU345A HU173594B (en) 1976-10-21 1976-10-21 Ventilator scroll case with silencing insert of non-uniform thickness

Publications (1)

Publication Number Publication Date
IT1085194B true IT1085194B (en) 1985-05-28

Family

ID=10996357

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2808477A IT1085194B (en) 1976-10-21 1977-09-29 FAN WITH SOUND ABSORPTION MEANS

Country Status (8)

Country Link
AT (1) AT367873B (en)
CH (1) CH632062A5 (en)
CS (1) CS213325B2 (en)
DE (1) DE2736047A1 (en)
FR (1) FR2368624A1 (en)
GB (1) GB1563439A (en)
HU (1) HU173594B (en)
IT (1) IT1085194B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3151386A1 (en) * 1981-12-24 1983-07-14 FSL Fenster-System-Lüftung GmbH, 6800 Mannheim FAN, ESPECIALLY BUILT-IN BLOWER
GB2330624A (en) * 1997-10-23 1999-04-28 Wang Samw Hong Jen Fan device with noise reduction

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB926088A (en) * 1960-11-08 1963-05-15 Brightside Heating & Engineeri Improvements relating to centrifugal fans
DE1403496A1 (en) * 1961-07-01 1969-01-30 Daimler Benz Ag Cooling or hot air blower
US3312389A (en) * 1964-05-04 1967-04-04 Fukuo Saeki Air blower device with silencer
GB1107726A (en) * 1964-07-07 1968-03-27 Sound Attenuators Ltd Improved centrifugal fan or blower and a ventilator embodying the same
CH434985A (en) * 1966-02-01 1967-04-30 Abrisari Ag Air hoisting machine, in particular for ventilation of shelters
CH439990A (en) * 1966-03-11 1967-07-15 Abrisaria Ag Air hoisting machine, in particular for ventilation of shelters
FR2193182A1 (en) * 1972-07-24 1974-02-15 Grandvuinet Ets
US4174020A (en) * 1975-07-01 1979-11-13 Challis Louis A Acoustic treatment for fans

Also Published As

Publication number Publication date
CS213325B2 (en) 1982-04-09
AT367873B (en) 1982-08-10
CH632062A5 (en) 1982-09-15
FR2368624A1 (en) 1978-05-19
DE2736047A1 (en) 1978-05-03
GB1563439A (en) 1980-03-26
ATA417077A (en) 1981-12-15
FR2368624B1 (en) 1984-09-14
HU173594B (en) 1979-06-28

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